Establishes the nomenclature and lays down the leading dimensions to ensure interchangeability within the limits of system A of the following equipment: drill rods and couplings; casings, casing couplings, casing bits, casing shoes, drive shoes and casing ream shells; core barrels, core bits, core lifters and reaming shells. Specifies the characteristics of a range of equipment for drilling holes having diameters from 1.18 in to 7.88 in and yielding cores having diameters from 0.73 in to 6.5 in.
État actuel: PubliéeDate de publication: 1992-07Stade: Norme internationale confirmée [90.93]
Edition: 1Nombre de pages: 79
Comité technique :ISO/TC 82ICS :73.100.30
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